2023-10-03 11:14:36 +08:00
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# leven [](https://travis-ci.org/sindresorhus/leven)
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> Measure the difference between two strings<br>
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> One of the fastest JS implementations of the [Levenshtein distance](https://en.wikipedia.org/wiki/Levenshtein_distance) algorithm
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## Install
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```
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$ npm install leven
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```
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## Usage
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```js
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const leven = require('leven');
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leven('cat', 'cow');
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//=> 2
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```
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## Benchmark
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```
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$ npm run bench
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```
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```
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165,926 op/s » leven
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164,398 op/s » talisman
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1,044 op/s » levenshtein-edit-distance
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628 op/s » fast-levenshtein
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497 op/s » levenshtein-component
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195 op/s » ld
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190 op/s » levenshtein
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168 op/s » levdist
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10 op/s » natural
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```
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## Related
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- [leven-cli](https://github.com/sindresorhus/leven-cli) - CLI for this module
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## License
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MIT © [Sindre Sorhus](https://sindresorhus.com)
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